<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
   <form action="http://localhost:3000/doregister">
    <h1>注册</h1>
    账户: <input type="text" name="username">
    <br>
    密码: <input type="password" name="password">
    <br>
    <input type="submit" value="注册">
   </form>
</body>
</html>